{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:F6QT2BSMTEPNKS4HZCSB5FB4F4","short_pith_number":"pith:F6QT2BSM","schema_version":"1.0","canonical_sha256":"2fa13d064c991ed54b87c8a41e943c2f3c6f1e9492c3df13034124d81c134196","source":{"kind":"arxiv","id":"2607.27963","version":1},"attestation_state":"computed","paper":{"title":"Invariant manifolds in barred galaxy simulations. III. Self-regulated weakening of strong spiral arms","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"M. Romero-G\\'omez, S. Roca-F\\`abrega, T. Soler-Terricabras","submitted_at":"2026-07-30T10:09:30Z","abstract_excerpt":"We investigated the origin of the weakening of strong spiral arms in barred galaxies, seeking the physical mechanism responsible for the decline in the fraction of manifold-trapped particles over time. We reconstructed the gravitational potential of a fully self-consistent N-body simulation of a barred galaxy using AGAMA, computed the Lagrangian points, and quantified how their spiral-induced angular displacement affects the geometry of the invariant manifolds and the associated orbital flows. We find that sufficiently strong, self-gravitating spiral arms significantly reshape the gravitationa"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2607.27963","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-30T10:09:30Z","cross_cats_sorted":[],"title_canon_sha256":"504ad361f6bd5a9bdd29a2c3cf9c7ee4e887e8e493a197efeb145858ba5da35b","abstract_canon_sha256":"be19ca5be2dc473704f842a1b99c0e12e355388e050bd84cedecd1b1175b87b7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2fa13d064c991ed54b87c8a41e943c2f3c6f1e9492c3df13034124d81c134196","last_reissued_at":"2026-07-31T01:35:05.702034Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-31T01:35:05.702034Z"},"graph_snapshot":{"paper":{"title":"Invariant manifolds in barred galaxy simulations. III. Self-regulated weakening of strong spiral arms","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"M. Romero-G\\'omez, S. Roca-F\\`abrega, T. Soler-Terricabras","submitted_at":"2026-07-30T10:09:30Z","abstract_excerpt":"We investigated the origin of the weakening of strong spiral arms in barred galaxies, seeking the physical mechanism responsible for the decline in the fraction of manifold-trapped particles over time. We reconstructed the gravitational potential of a fully self-consistent N-body simulation of a barred galaxy using AGAMA, computed the Lagrangian points, and quantified how their spiral-induced angular displacement affects the geometry of the invariant manifolds and the associated orbital flows. We find that sufficiently strong, self-gravitating spiral arms significantly reshape the gravitationa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.27963","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.27963/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2607.27963","created_at":"2026-07-31T01:35:05.705334+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.27963v1","created_at":"2026-07-31T01:35:05.705334+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.27963","created_at":"2026-07-31T01:35:05.705334+00:00"},{"alias_kind":"pith_short_12","alias_value":"F6QT2BSMTEPN","created_at":"2026-07-31T01:35:05.705334+00:00"},{"alias_kind":"pith_short_16","alias_value":"F6QT2BSMTEPNKS4H","created_at":"2026-07-31T01:35:05.705334+00:00"},{"alias_kind":"pith_short_8","alias_value":"F6QT2BSM","created_at":"2026-07-31T01:35:05.705334+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/F6QT2BSMTEPNKS4HZCSB5FB4F4","json":"https://pith.science/pith/F6QT2BSMTEPNKS4HZCSB5FB4F4.json","graph_json":"https://pith.science/api/pith-number/F6QT2BSMTEPNKS4HZCSB5FB4F4/graph.json","events_json":"https://pith.science/api/pith-number/F6QT2BSMTEPNKS4HZCSB5FB4F4/events.json","paper":"https://pith.science/paper/F6QT2BSM"},"agent_actions":{"view_html":"https://pith.science/pith/F6QT2BSMTEPNKS4HZCSB5FB4F4","download_json":"https://pith.science/pith/F6QT2BSMTEPNKS4HZCSB5FB4F4.json","view_paper":"https://pith.science/paper/F6QT2BSM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.27963&json=true","fetch_graph":"https://pith.science/api/pith-number/F6QT2BSMTEPNKS4HZCSB5FB4F4/graph.json","fetch_events":"https://pith.science/api/pith-number/F6QT2BSMTEPNKS4HZCSB5FB4F4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/F6QT2BSMTEPNKS4HZCSB5FB4F4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/F6QT2BSMTEPNKS4HZCSB5FB4F4/action/storage_attestation","attest_author":"https://pith.science/pith/F6QT2BSMTEPNKS4HZCSB5FB4F4/action/author_attestation","sign_citation":"https://pith.science/pith/F6QT2BSMTEPNKS4HZCSB5FB4F4/action/citation_signature","submit_replication":"https://pith.science/pith/F6QT2BSMTEPNKS4HZCSB5FB4F4/action/replication_record"}},"created_at":"2026-07-31T01:35:05.705334+00:00","updated_at":"2026-07-31T01:35:05.705334+00:00"}